脚本更新

distributed-print/install/mysql/upgrade/3.4.4.sql

@@ -290,3 +290,7 @@ ALTER TABLE `mark_paper` ADD INDEX `index3` (`status` ASC, `upload_count` ASC);
 ALTER TABLE `mark_student` ADD INDEX `index7` (`subjective_status` ASC);
 ALTER TABLE `mark_user_paper` ADD INDEX `index1` (`exam_id` ASC, `paper_number` ASC, `user_id` ASC);
 ALTER TABLE `mark_user_paper` ADD COLUMN `marked_question_id` BIGINT(20) NULL COMMENT '正在阅卷的题目ID' AFTER `mode`;
+
+-- 2025-03-12
+ALTER TABLE teach_course DROP KEY teach_course_unique;
+ALTER TABLE teach_course ADD CONSTRAINT teach_course_unique UNIQUE KEY (school_id,exam_id,course_id,user_id);